Best Time to Fly SLC to BNA: On-Time Stats by Hour & Airline
Salt Lake City International → Nashville International
Data through July 2026 · Last updated October 18, 2026
1,206 flights were scheduled from Salt Lake City (SLC) to Nashville (BNA) in the last 12 months, and 85.6% of those that flew arrived on time, 8.0 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 2 airlines on the route at 85.9%, while Delta Air Lines trailed at 85.6%.
November has been the best month (93% on time) and Sunday the weakest day of the week (81%).
0.6% of flights were cancelled, versus 1.8% nationally.
SLC to BNA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 85.9% | 42 min | 0.7% | 272 |
| Delta Air Lines | 85.6% | 53 min | 0.5% | 934 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to BNA
On-time arrival % by scheduled departure hour (local time), 2,290 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 13 | |
| 6am–7am | Limited data | 6 | |
| 7am–8am | Limited data | 1 | |
| 8am–9am | Limited data | 13 | |
| 9am–10am | 89.6% | 0.3% | 721 |
| 10am–11am | 82.3% | 0.8% | 121 |
| 11am–12pm | 85.8% | 0.0% | 134 |
| 12pm–1pm | 86.6% | 0.9% | 113 |
| 1pm–2pm | 84.4% | 0.3% | 381 |
| 2pm–3pm | 85.5% | 0.0% | 62 |
| 3pm–4pm | Limited data | 8 | |
| 5pm–6pm | 82.0% | 0.3% | 609 |
| 6pm–7pm | 76.4% | 1.9% | 108 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to BNA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 85.4% | -2.5 pts | 0.0% | 41 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.2% | -6.6 pts | 0.0% | 96 |
| Summer peak (Jun 15 - Aug 15) | 76.3% | -11.5 pts | 0.2% | 454 |
| All other days | 87.9% | — | 0.5% | 1,699 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).